LM4050QCIM3-5.0/NOPB

Voltage Reference Overview

The LM4050QCIM3-5.0/NOPB is a precision shunt voltage reference manufactured by Texas Instruments, designed for high-accuracy applications requiring stable DC voltages. It features a fixed output voltage of 5V with an initial accuracy tolerance of ±0.2%. The device operates within a temperature range of -40°C to +125°C and exhibits a temperature coefficient of 50ppm/°C. Key electrical parameters include a maximum shunt current of 15 mA and a cathode current of 80 µA. Noise performance is specified at 93µVrms over the 10Hz to 10kHz frequency band. The component is housed in a compact SOT-23-3 surface-mount package and holds AEC-Q100 qualification for automotive reliability.

Voltage Reference Feature Summary

• Provides a fixed 5V reference output with high initial accuracy of ±0.2%.
• Qualified for automotive environments under the AEC-Q100 standard.
• Operates reliably across an extended industrial temperature range from -40°C to +125°C.
• Features low noise characteristics suitable for sensitive analog signal processing.

Voltage Reference Applications

• Automotive electronic systems requiring precise voltage regulation
• Data acquisition systems needing stable reference sources
• Portable instrumentation utilizing battery-powered circuits

Voltage Reference Procurement Notes

Verify the specific suffix 'QC' indicates the required 0.2% accuracy grade and automotive qualification level. Confirm the 'IM3' designation matches the SOT-23-3 package requirement for your PCB layout. Ensure the '-NOPB' suffix confirms lead-free and RoHS compliance status before finalizing procurement orders.

Voltage Reference Selection Notes

Select this component when a fixed 5V reference with tight 0.2% tolerance is necessary. It is appropriate for designs demanding AEC-Q100 automotive reliability standards. Consider the 15mA maximum current limit and 80µA minimum operating current when designing the biasing circuitry for optimal performance.

Voltage Reference Part Context

This part belongs to the LM4050-N series of micro-power shunt voltage references. The series offers various fixed output voltages and accuracy grades. The 'Q' prefix typically denotes automotive-grade qualification, while the 'C' indicates the specific accuracy bin. These devices are widely used in power management and signal conditioning applications.

Voltage Reference Replacement Considerations

LM4050QBIM3X5.0/NOPB: Offers similar 5V output but verify if the specific accuracy or package variant meets exact design constraints.

Voltage Reference FAQ

What is the maximum shunt current for this device?

The maximum shunt current is 15 mA.

Is this component qualified for automotive use?

Yes, it is AEC-Q100 qualified.